January 24, 2013

Yet More Proof that the Big Bang Happened

Ethan Siegel, ScienceBlogs


One of the most amazing ideas to come out of our observations of the Universe over the last century is that our vast, star-filled, mostly-empty Universe hasn’t always been like this.

Today, the Universe is very cold, expanding, and the average distance between galaxies is increasing as time goes on. The farther away a galaxy is, the faster it appears to be moving away from us and the farther towards the red end of the spectrum its light appears to be shifted.

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TAGGED: Cosmic Microwave Background Radiation, Temperature, Universe, Big Bang


October 23, 2013
Light from Early Universe Has a Twist
Megan Gannon, Space.com
Researchers have discovered a subtle twist in the primeval light that formed shortly after the universe came into being. They hope it can reveal new secrets about the moments after the Big Bang. more ››